noun U.S. History.
Related formsim·me·di·a·tist, noun
Examples from the Web for immediatism
Their doctrine of immediatism—if we may invent a new term—is always one and the same, and always has been.Abolition a Sedition|Geo. W. Donohue
These English abolitionists were coming to "immediatism" from 1824, and their influence told in America.The Negro and the Nation|George S. Merriam
Garrison, consequently rejected gradualism as a weapon, and took up instead the great and quickening doctrine of immediatism.William Lloyd Garrison|Archibald H. Grimke